CN115490505A - 一种抗冲刷莫来石质流钢砖及其制备方法 - Google Patents
一种抗冲刷莫来石质流钢砖及其制备方法 Download PDFInfo
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Abstract
一种抗冲刷莫来石质流钢砖及其制备方法,3‑1mm高纯烧结莫来石15‑20%、0‑1mm高纯烧结莫来石30‑35%、3‑1m白刚玉3‑5%、200‑325目南非红柱石粉20‑25%、5μm以下氧化铝微粉12.5‑17.5%、广西土5‑7%、结合剂2.8‑3.5%。本发明莫来石相90%刚玉相8%,气孔率低致密性好,耐压强度高,满足特钢1700℃以上的使用温度,抗冲刷抗热震能力强,热震稳定性(1100℃水冷)大于50次;成品合格率高,成本较刚玉质流钢砖降低。
Description
技术领域
本发明涉及冶金耐火材料技术领域,尤其是涉及一种抗冲刷莫来石质流钢砖及其制备方法。
背景技术
随着特钢厂家产品性能的提升,传统的黏土质、普通高铝质流钢砖已经不再能满足特钢生产需要,刚玉质流钢砖随之被研制并进行生产。然而考虑到流钢砖一次性使用的产品特点,这类流钢砖造价无疑过于昂贵,且性能并不完全满足使用需求,刚玉质流钢砖抗冲刷、抗侵蚀能力较强,但抗热震性能较差,钢水在经过流钢砖时容易裂开造成穿钢,成型过程中容易出现缺角破损,产品合格率低尤其在生产异形砖时合格率低的问题更为明显。因此需要提供一种性能满足特钢生产抗冲刷、抗热震、抗侵蚀要求且成本均衡、合格率高的新型流钢砖。
发明内容
为了克服背景技术中的不足,本发明公开了一种抗冲刷莫来石质流钢砖。
为实现上述发明目的,本发明采用如下技术方案:
一种抗冲刷莫来石质流钢砖,组分按质量百分比为:3-1mm高纯烧结莫来石15-20%、0-1mm 高纯烧结莫来石30-35%、3-1m白刚玉3-5%、200-325目南非红柱石粉20-25%、5μm以下氧化铝微粉12.5-17.5%、广西土5-7%、结合剂2.8-3.5%,结合剂构成为糊精与硅溶胶2:1混合。
制备方法如下,
配料:先加入3-1mm高纯烧结莫来石、0-1mm高纯烧结莫来石、3-1mm白刚玉、结合剂搅拌3-5分钟, 加入200-325目南非红柱石粉、5μm以下氧化铝微粉、广西土搅拌5-8分钟,最后将制得的砖坯困料24小时。
成型:使用1000t压力机双面加压,并在加压过程中多次捣料处理。
干燥:干燥处理为升温温度室温-110℃,升温时间10h,保持温度110℃,保持时间24h。
烧制:处理后的砖坯送进126.2m隧道窑烧制,升温温度室温-110℃,升温时间6h,保持温度110℃,保持时间6h,升温温度110-800℃,升温时间12h,保持温度800℃,保持时间4h,升温温度800-1650℃,升温时间48h,保持温度1650℃,保持时间12h,降温温度1650-300℃,降温时间36h,降温温度300℃-室温,降温时间24h。
由于采用如上所述的技术方案,本发明具有如下有益效果:
本发明公开的一种抗冲刷流钢砖
1. 通过采用的高纯度原料,杂质少,并将烧成温度在1650℃的高温,配合较长的保温时间,烧后产品的显气孔率降低,莫来石能充分生长,随后使用缓慢的降温速度,液相会缓慢析出一定的针状,柱状的再生莫来石,莫来石晶粒粗大,提高流钢砖的强度,矿物组成主要为莫来石晶体和少量的玻璃相,同时在莫来石晶内或晶间,都可见到无数微米级气孔或细微裂纹,有利于缓解流钢砖在使用过程中因热胀冷缩在材料内部产生的热应力,从而使流钢砖的获得更好地抗热震性,抗侵蚀性以及抗冲刷能力。
2.通过控制降温过程避免莫来石化膨胀造成砖体致密性降低,缓慢降低温度促进二次莫来石晶体在一次莫来石界面上伸长,柱状结构更粗大,有助于提高莫来石晶体的纤维增韧,同时形成这种交叉结构能提高产品的耐压强度和热震稳定性,传统工艺基本上采取快速降温的模式不利于产品高温性能,缓慢降温能够提高产品的高温性能,满足特钢1700℃以上的使用温度,抗冲刷抗热震能力强,热震稳定性(1100℃水冷)大于50次。
3. 由于流钢砖的异形砖难以成型,强度较低,本方案采用双面加压成型,加料模式采用多次捣料,流钢砖中砖型高度较高的圆筒砖成型时,如果一次加料,普通成型时砖体致密度和强度上下口偏差大,故采取不断加料捣料才能保证致密性。分批次加料而且不能压实,得保持气体排出通道,才能在加压时既排除泥料之间的气体,促进致密性,又不至于在砖体中间压实导致下口气体排不出造成下口疏松,并通过对原料不同粒度加入的比例与烧制过程的控制,有效提高了流钢砖的强度,进而提升了流钢砖的合格率。
4.成本较刚玉质流钢砖降低,成本较刚玉质流钢砖相比,原料成本每吨费用降低1000元,烧成成本每吨费用降低300元,合格率达到80%远高于传统刚玉质流钢砖50%左右的合格率,参数见下表。
具体实施方式
一种抗冲刷莫来石质流钢砖,组分按质量百分比为:3-1mm高纯烧结莫来石15-20%、0-1mm 高纯烧结莫来石30-35%、3-1m白刚玉3-5%、200-325目南非红柱石粉20-25%、5μm以下氧化铝微粉12.5-17.5%、广西土5-7%、结合剂2.8-3.5%,结合剂构成为糊精与硅溶胶2:1混合。
制备方法如下,
配料:先加入3-1mm高纯烧结莫来石、0-1mm高纯烧结莫来石、3-1mm白刚玉、结合剂搅拌3-5分钟, 加入200-325目南非红柱石粉、5μm以下氧化铝微粉、广西土搅拌5-8分钟,最后将制得的砖坯困料24小时。
成型:使用1000t压力机双面加压,并在加压过程中多次捣料处理。
干燥:干燥处理为升温温度室温-110℃,升温时间10h,保持温度110℃,保持时间24h。
烧制:处理后的砖坯送进126.2m隧道窑烧制,升温温度室温-110℃,升温时间6h,保持温度110℃,保持时间6h,升温温度110-800℃,升温时间12h,保持温度800℃,保持时间4h,升温温度800-1650℃,升温时间48h,保持温度1650℃,保持时间12h,降温温度1650-300℃,降温时间36h,降温温度300℃-室温,降温时间24h。
实施例1
配料:按照质量百分比3-1mm高纯烧结莫来石15%、0-1mm高纯烧结莫来石35%、3-1mm白刚玉3%、200-325目南非红柱石粉19.5%、5μm以下氧化铝微粉17.5%、广西土7%、结合剂3%,结合剂构成为糊精与硅溶胶2:1混合,先加入3-1mm高纯烧结莫来石、0-1mm高纯烧结莫来石、3-1mm白刚玉,加入组分总重量结合剂搅拌5分钟, 加入200-325目南非红柱石粉、5μm以下氧化铝微粉、广西土搅拌8分钟,最后将制得的砖坯困料24小时。
成型:使用1000t压力机双面加压,并在加压过程中多次捣料处理。
干燥:干燥处理为升温温度室温-110℃,升温时间10h,保持温度110℃,保持时间24h。
烧制:处理后的砖坯送进126.2m隧道窑烧制,升温温度室温-110℃,升温时间6h,保持温度110℃,保持时间6h,升温温度110-800℃,升温时间12h,保持温度800℃,保持时间4h,升温温度800-1650℃,升温时间48h,保持温度1650℃,保持时间12h,降温温度1650-300℃,降温时间36h,降温温度300℃-室温,降温时间24h。
实施例2
配料:按照质量百分比3-1mm高纯烧结莫来石19%、0-1mm高纯烧结莫来石30%、3-1mm白刚玉4%、200-325目南非红柱石粉21.5%、5μm以下氧化铝微粉15.5%、广西土6.5%、结合剂3.5%,结合剂构成为糊精与硅溶胶2:1混合,先加入3-1mm高纯烧结莫来石、0-1mm高纯烧结莫来石、3-1mm白刚玉,加入组分总重量结合剂搅拌4分钟, 加入200-325目南非红柱石粉、5μm以下氧化铝微粉、广西土搅拌7分钟,最后将制得的砖坯困料24小时。
成型:使用1000t压力机双面加压,并在加压过程中多次捣料处理。
干燥:干燥处理为升温温度室温-110℃,升温时间10h,保持温度110℃,保持时间24h。
烧制:处理后的砖坯送进126.2m隧道窑烧制,升温温度室温-110℃,升温时间6h,保持温度110℃,保持时间6h,升温温度110-800℃,升温时间12h,保持温度800℃,保持时间4h,升温温度800-1650℃,升温时间48h,保持温度1650℃,保持时间12h,降温温度1650-300℃,降温时间36h,降温温度300℃-室温,降温时间24h。
实施例3
配料:按照质量百分比3-1mm高纯烧结莫来石15%、0-1mm高纯烧结莫来石34%、3-1mm白刚玉5%、200-325目南非红柱石粉25%、5μm以下氧化铝微粉12.5%、广西土5.7%、结合剂2.8%,结合剂构成为糊精与硅溶胶2:1混合,先加入3-1mm高纯烧结莫来石、0-1mm高纯烧结莫来石、3-1mm白刚玉,加入组分总重量结合剂搅拌3分钟, 加入200-325目南非红柱石粉、5μm以下氧化铝微粉、广西土搅拌5分钟,最后将制得的砖坯困料24小时。
成型:使用1000t压力机双面加压,并在加压过程中多次捣料处理。
干燥:干燥处理为升温温度室温-110℃,升温时间10h,保持温度110℃,保持时间24h。
烧制:处理后的砖坯送进126.2m隧道窑烧制,升温温度室温-110℃,升温时间6h,保持温度110℃,保持时间6h,升温温度110-800℃,升温时间12h,保持温度800℃,保持时间4h,升温温度800-1650℃,升温时间48h,保持温度1650℃,保持时间12h,降温温度1650-300℃,降温时间36h,降温温度300℃-室温,降温时间24h。
该配方各组分中,原料加入原位莫来石,红柱石莫来石化产生的玻璃相及粘土中的玻璃相与氧化铝微粉形成二次莫来石,二次莫来石化的温度较高,而且在我们设计的这个高纯体系配方里莫来石化困难,在1550-1650℃莫来石化,所以该配方的烧成制度为126.2m隧道窑烧成,该烧成曲线利用高温莫来石化,促进烧结,在降温过程中降温时间控制在36小时,促进二次莫来石长大,避免莫来石化膨胀造砖体致密性降低,同时利用莫来石晶体的短柱状结构,互相交叉形成增韧效果,提高热震稳定性。
实施例1-3的参数见下表:
本发明未详述部分为现有技术,对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明;因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
Claims (6)
1.一种抗冲刷莫来石质流钢砖,其特征是:组分按质量百分比为:3-1mm高纯烧结莫来石15-20%、0-1mm 高纯烧结莫来石30-35%、3-1m白刚玉3-5%、200-325目南非红柱石粉20-25%、5μm以下氧化铝微粉12.5-17.5%、广西土5-7%、结合剂2.8-3.5%。
2.一种抗冲刷莫来石质流钢砖的制备方法,其特征是:
配料:先加入3-1mm高纯烧结莫来石、0-1mm高纯烧结莫来石、3-1mm白刚玉、结合剂搅拌3-5分钟, 加入200-325目南非红柱石粉、5μm以下氧化铝微粉、广西土搅拌5-8分钟,最后将制得的砖坯困料24小时;
成型:将混合后的物料加入模具内压制成型;
干燥:将成型后的半成品进行干燥处理;
烧制:将干燥处理后的半成品经高温处理,得到抗冲刷莫来石质流钢砖。
3.如权利要求1所述的一种抗冲刷莫来石质流钢砖,其特征是:所述结合剂构成为糊精与硅溶胶2:1混合。
4.如权利要求2所述的制备方法,其特征是:所述压制成型为使用1000t压力机双面加压,并在加压过程中多次捣料处理。
5.如权利要求2所述的制备方法,其特征是:所述干燥处理为升温温度室温-110℃,升温时间10h,保持温度110℃,保持时间24h。
6.如权利要求2所述的制备方法,其特征是:所述高温处理为将干燥处理后的砖坯送进126.2m隧道窑烧制,升温温度室温-110℃,升温时间6h,保持温度110℃,保持时间6h,升温温度110-800℃,升温时间12h,保持温度800℃,保持时间4h,升温温度800-1650℃,升温时间48h,保持温度1650℃,保持时间12h,降温温度1650-300℃,降温时间36h,降温温度300℃-室温,降温时间24h。
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Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2006128674A (ru) * | 2006-08-07 | 2008-02-20 | ОАО "Первоуральский динасовый завод" (ОАО "ДИНУР") (RU) | Муллитокорундовый огнеупор |
CN102249655A (zh) * | 2011-06-13 | 2011-11-23 | 郑州市瑞沃耐火材料有限公司 | 热风炉管道用韧性莫来石砖及其制造方法 |
WO2012119332A1 (zh) * | 2011-03-07 | 2012-09-13 | 巩义市五耐科技开发有限公司 | 特种耐火耐酸砖及其制备方法 |
CN102757248A (zh) * | 2012-07-30 | 2012-10-31 | 鲁山县宏业耐材有限公司 | 高强高热震低铝莫来石砖 |
CN103130515A (zh) * | 2011-12-02 | 2013-06-05 | 河南省新密市青屏耐火材料有限责任公司 | 用于干熄焦炉上的莫来石砖 |
CN103373856A (zh) * | 2012-04-26 | 2013-10-30 | 郑州安耐克实业有限公司 | 一种高荷软、低蠕变、高抗热震耐火砖及其制造方法 |
CN103626503A (zh) * | 2013-10-30 | 2014-03-12 | 郑州市才华耐火材料有限公司 | 一种热风炉用长寿莫来石砖及其制备方法 |
CN103641501A (zh) * | 2013-12-05 | 2014-03-19 | 山东耐材集团鲁耐窑业有限公司 | 高炉用抗渗透低铝莫来石砖及其制备方法 |
CN103922766A (zh) * | 2014-03-21 | 2014-07-16 | 通达耐火技术股份有限公司 | 一种corex炉炉底用莫来石砖及其制备方法 |
CN105948765A (zh) * | 2016-04-27 | 2016-09-21 | 江西荣恩能源科技有限公司 | 磷酸莫来石、磷酸焦宝石耐火捣打料及其制备方法 |
US20170073275A1 (en) * | 2014-10-23 | 2017-03-16 | Ashapura Minechem Ltd. | Composites of sintered Mullite reinforced corundum granules and method for its preparation |
CN106747519A (zh) * | 2016-12-30 | 2017-05-31 | 郑州正隆耐火材料有限公司 | 一种不粘钢流钢砖及其制备方法 |
CN107935575A (zh) * | 2017-11-17 | 2018-04-20 | 淄博工陶耐火材料有限公司 | 高纯低蠕变电熔莫来石砖及其制备方法 |
CN108675804A (zh) * | 2018-06-08 | 2018-10-19 | 郑州凯翔耐火材料有限公司 | 一种高抗热震莫来石砖及其生产工艺 |
CN109574639A (zh) * | 2018-12-25 | 2019-04-05 | 郑州真金耐火材料有限责任公司 | 高热震稳定性刚玉莫来石砖及其制备方法 |
JP2020097509A (ja) * | 2018-12-13 | 2020-06-25 | 昭和電工株式会社 | ムライト質焼結体及びその製造方法 |
CN111423241A (zh) * | 2020-03-31 | 2020-07-17 | 中冶焦耐(大连)工程技术有限公司 | 一种具有纤维增韧的莫来石砖及其制备方法 |
CN113135764A (zh) * | 2021-05-08 | 2021-07-20 | 丁威 | 一种莫来石流钢砖及其制备方法 |
-
2022
- 2022-11-02 CN CN202211363649.0A patent/CN115490505B/zh active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2006128674A (ru) * | 2006-08-07 | 2008-02-20 | ОАО "Первоуральский динасовый завод" (ОАО "ДИНУР") (RU) | Муллитокорундовый огнеупор |
WO2012119332A1 (zh) * | 2011-03-07 | 2012-09-13 | 巩义市五耐科技开发有限公司 | 特种耐火耐酸砖及其制备方法 |
CN102249655A (zh) * | 2011-06-13 | 2011-11-23 | 郑州市瑞沃耐火材料有限公司 | 热风炉管道用韧性莫来石砖及其制造方法 |
CN103130515A (zh) * | 2011-12-02 | 2013-06-05 | 河南省新密市青屏耐火材料有限责任公司 | 用于干熄焦炉上的莫来石砖 |
CN103373856A (zh) * | 2012-04-26 | 2013-10-30 | 郑州安耐克实业有限公司 | 一种高荷软、低蠕变、高抗热震耐火砖及其制造方法 |
CN102757248A (zh) * | 2012-07-30 | 2012-10-31 | 鲁山县宏业耐材有限公司 | 高强高热震低铝莫来石砖 |
CN103626503A (zh) * | 2013-10-30 | 2014-03-12 | 郑州市才华耐火材料有限公司 | 一种热风炉用长寿莫来石砖及其制备方法 |
CN103641501A (zh) * | 2013-12-05 | 2014-03-19 | 山东耐材集团鲁耐窑业有限公司 | 高炉用抗渗透低铝莫来石砖及其制备方法 |
CN103922766A (zh) * | 2014-03-21 | 2014-07-16 | 通达耐火技术股份有限公司 | 一种corex炉炉底用莫来石砖及其制备方法 |
US20170073275A1 (en) * | 2014-10-23 | 2017-03-16 | Ashapura Minechem Ltd. | Composites of sintered Mullite reinforced corundum granules and method for its preparation |
CN105948765A (zh) * | 2016-04-27 | 2016-09-21 | 江西荣恩能源科技有限公司 | 磷酸莫来石、磷酸焦宝石耐火捣打料及其制备方法 |
CN106747519A (zh) * | 2016-12-30 | 2017-05-31 | 郑州正隆耐火材料有限公司 | 一种不粘钢流钢砖及其制备方法 |
CN107935575A (zh) * | 2017-11-17 | 2018-04-20 | 淄博工陶耐火材料有限公司 | 高纯低蠕变电熔莫来石砖及其制备方法 |
CN108675804A (zh) * | 2018-06-08 | 2018-10-19 | 郑州凯翔耐火材料有限公司 | 一种高抗热震莫来石砖及其生产工艺 |
JP2020097509A (ja) * | 2018-12-13 | 2020-06-25 | 昭和電工株式会社 | ムライト質焼結体及びその製造方法 |
CN109574639A (zh) * | 2018-12-25 | 2019-04-05 | 郑州真金耐火材料有限责任公司 | 高热震稳定性刚玉莫来石砖及其制备方法 |
CN111423241A (zh) * | 2020-03-31 | 2020-07-17 | 中冶焦耐(大连)工程技术有限公司 | 一种具有纤维增韧的莫来石砖及其制备方法 |
CN113135764A (zh) * | 2021-05-08 | 2021-07-20 | 丁威 | 一种莫来石流钢砖及其制备方法 |
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